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Dayco PBU1170SS20 Engine Harmonic Balancer
| Brand | Dayco PBU1170SS20 |
|---|---|
| Bolt Hole Quantity | 0 |
| Counterweight Balance | Neutral, no counterweight |
| Crank Bore | 1.103 |
| Crank Bore | 28.01 |
| Crank Trigger/Exciter Plate | No |
| Hardware Included | No |
| Installation Instructions Included | No |
| Nose Outside Diameter | 0 |
| Nose Outside Diameter | 0.00 |
| Number of Integrated Pulleys | 3 |
| Outer Ring Material | Steel |
| Overall Outside Diameter | 126.50 |
| Overall Outside Diameter | 4.981 |
| Overall Width | 2.461 |
| Overall Width | 62.50 |
| Pulley 1 Number Of Grooves | 4 |
| Pulley 1 Outside Diameter | 3.650 |
| Pulley 1 Outside Diameter | 92.700 |
| Pulley 1 Type | Serpentine |
| Pulley 2 Number Of Grooves | 4 |
| Pulley 2 Outside Diameter | 115.000 |
| Pulley 2 Outside Diameter | 4.528 |
| Pulley 2 Type | Serpentine |
| Ring Width | 2.176 |
| Ring Width | 55.25 |
| Timing Marks | Yes |
| Woodruff Key Included | No |
| Product line | Race Performance 20% Underdrive |
| Fits | Acura · 8 vehicles |
Race Performance line. Built for reduced accessory drag with a 20% underdrive design.
Steel outer ring. Adds strength and durability to the harmonic balancer.
Neutral balance. No counterweight for a clean, balanced rotating assembly.
Cross-references Pioneer 872062 for the same application. See all 1.
Dayco Race Performance Underdrive Balancer
The Dayco PBU1170SS20 is a race performance engine harmonic balancer for 1994-2001 Acura Integra applications. It uses a 20% underdrive setup with three integrated pulleys to reduce accessory speed while maintaining neutral balance and timing mark visibility.
Key Features
- Part number PBU1170SS20 from Dayco Race Performance 20% Underdrive
- Fits 1994-2001 Acura Integra, N/A
- Neutral balance design with no counterweight
- Steel outer ring construction
- Three integrated pulleys with serpentine groove layouts
- Timing marks included for setup and service reference
- Crank bore: 1.103 in. / 28.01 mm
- Overall outside diameter: 4.981 in. / 126.50 mm
- Overall width: 2.461 in. / 62.50 mm
Product Details
Dayco’s Race Performance 20% Underdrive line is built for enthusiasts who want a performance-oriented harmonic balancer and pulley assembly in one unit. On the Acura Integra, PBU1170SS20 combines a neutral-balanced balancer with integrated serpentine pulleys to support a cleaner accessory drive layout while preserving timing reference marks for engine service and tuning. This part cross-references Pioneer 872062 for the same application.
Common Issues This Part Can Address
- Worn or damaged harmonic balancer assembly
- Accessory drive pulley wear or mismatch
- Loss of timing mark visibility during service
- Need for a race-focused underdrive pulley setup
- Crankshaft vibration control concerns from a failing balancer
Installation Notes
Verify crank bore, pulley alignment, and overall dimensions before installation. Hardware is not included, and installation instructions are not included. Confirm the vehicle is a 1994-2001 Acura Integra before ordering, and inspect the crank snout, keyway area, and accessory belt routing during replacement. Part number PBU1170SS20 should be matched to the intended application before final assembly.
Quality Assurance
Dayco Race Performance components are built for performance-focused engine applications and dimensional consistency. This harmonic balancer includes timing marks and a steel outer ring for serviceable, race-oriented use on the Acura Integra platform.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2001 | Acura | Integra | GS-R | 1.8L | L4 | N/A | Race Performance 20% Underdrive |
| 2000 | Acura | Integra | GS-R | 1.8L | L4 | N/A | Race Performance 20% Underdrive |
| 1999 | Acura | Integra | GS-R | 1.8L | L4 | N/A | Race Performance 20% Underdrive |
| 1998 | Acura | Integra | GS-R | 1.8L | L4 | N/A | Race Performance 20% Underdrive |
| 1997 | Acura | Integra | GS-R | 1.8L | L4 | N/A | Race Performance 20% Underdrive |
| 1996 | Acura | Integra | — | 1.8L | L4 | N/A | Race Performance 20% Underdrive |
| 1995 | Acura | Integra | — | 1.8L | L4 | N/A | Race Performance 20% Underdrive |
| 1994 | Acura | Integra | — | 1.8L | L4 | N/A | Race Performance 20% Underdrive |
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